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Def mul_hom.cod_srestrict

Modification history

2022-06-09 09:58
src/group_theory/subsemigroup/operations.lean
refactor(algebra/sub{monoid,group,ring,semiring,field}): merge together the `restrict` and `cod_restrict` helpers (#14548) …
Deleted mul_hom.cod_srestrictView on Github →
2022-04-26 18:41
src/group_theory/subsemigroup/operations.lean
feat(group_theory/subsemigroup/operations): port from submonoid (#12112) …
Added mul_hom.cod_srestrictView on Github →